Year	2000 = 100
1980	19.08699784
1981	22.46628394
1982	24.56455518
1983	24.56455518
1984	22.39709443
1985	21.31336406
1986	19.99160353
1987	55.2054206
1988	57.71518394
1989	27.55727824
1990	18.72555911
1991	12.75918405
1992	32.8780364
1993	39.88830743
1994	56.92350751
1995	68.75
1996	77.5390625
1997	85.67708333
1998	92.1875
1999	87.36979167
2000	100
2001	103.7760417
2002	68.5546875
2003	89.51822917
2004	112.3697917
2005	133.7328776
2006	166.4913411
2007	227.431901
2008	294.6522786
2009	276.5215495
2010	303.6678385
2011	366.5934245
2012	393.4991536
2013	378.7441406
2014	395.4119663
2015	359.9034505
2016	314.417912
2017	364.3166432
2018	427.9972516